Basis of Presentation and Summary of Significant Accounting Policies - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenue from External Customer [Line Items]
Total net sales	$ 1,339	$ 1,764	$ 3,324	$ 5,305
Commercial
Revenue from External Customer [Line Items]
Total net sales	498	1,288	1,261	3,397
MMM products
Revenue from External Customer [Line Items]
Total net sales	$ 841	$ 476	$ 2,063	$ 1,908